There are no active watches, warnings or advisories for Jefferson (Colorado).

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
Bulletin Board
85.1
Maximum temperature
UV Index 2.3 - Sunburn in 60 to 90 minutes
METRIC | IMPERIAL
Updated: 07/04/2015 @ 3:05:00 pm  
Summary / Temperature Wind Rain/Melted Snow Fire Risk
Record High

Cloudy, Dry
Cloudy, Dry

84.5°F Colder 4.8°F than last hour.
---
Currently 84.5, Max: 91.1, Min: 61.7 Feels like:
83°F

24-hr
difference
5°FWarmer 5°F than yesterday at this time.
TEMP: HIGH: LOW:
Today: 91.1°F 61.7°F
12:51pm 6:01am
Yesterday: 81.8°F 58.7°F
4:45pm 6:01am
Record: 82.0°F 26.1°F
2012 1988
Normal: 63.0°F 41.0°F
 Wind from ENE ENE
3.6
Gust:
4
Light Breeze
60-Min Avg: 4.4 mph
120-Min Avg: 6.5 mph
Max Gust: 15 mph 1:32pm
Month: 40 mph Jul 2
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
07/02/2015
8:17 PM
July: 0.05 in
Last 7 Days: 0.05 in
Rain Season:1 17.90 in
Rain Days: 63 in 2015
1 rain day in July.
Chandler Burning Index
Chandler Burning Index: MODERATE
Currently:
58.3
at 3:05 PM
Barometer Humidity/Dew Point Sun/Moon
Current: 29.557 inHg Rising 0.003 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling slowly
Today: Todays High 29.711
Todays Low 29.547
Humidity: 31 % Increased 2% since last hour.
Humidex: 87.1°F     
Today: Todays High     
Todays Low     
Dew Point: 50.5°F Decreased 2.3°F since last hour.
Wetbulb: 65.1°F     
Daylight:
Possible hours of Daylight
14:55
+ -00:00:43 Min
Evening Crescent, 18 days, 12 hours, 31 minutes in cycle
14% Illuminated
Current UV Index Current Solar Energy
2.3
Sunburn in
49 Minutes
Highest:
12:46pm
9.5
Energy: 257 W/m2 (23 %)
High: 1127 at  12:48pm
Feels like: 91.7°F
Heat Index Cooling Degree Days Air Quality6
Current: 82.5°F
Today: 89.0°F  12:51pm
Yesterday: 81.4°F
Last Week: 88.9°F
Record: 99.7°F   26-Aug-2012
Today: 1.4
July: 17.0
2015 to Date: 157.0
Heating Degree Days
2015 to Date: 3135.7
Current AQI

55


Moderate
Snow3 Irrigation Index5 Station All Time Records Cloud Level
Today: 0.00 in
Yesterday: 0.00 in
July: 0.00 in
Season Total:2 73.62 in
Snow Depth: 0.00 in
0 snow day in July
26 snow days this season.2
Updated at Midnight
Current: 0.26 in   
7-Days Rain: 0.05 in   
7-Days ET: 1.41 in   
7-Day: -1.356 in 1.356 in water in deficit of what evaporated in last 7 days.
July: -0.63 in 0.63 in water in deficit of what evaporated this month.
Outside Now
Air Density: 1.148 kg/m3
HIGHS: LOWS:
99.3°F
25-Jun-2012
-13.9°F
02-Feb-2011
Daytime Records
    95.5°F
25-Jun-2012
  -4.9°F
01-Feb-2011
Nitetime Records
  82.0°F
24-Jun-2012
-9.4°F
02-Feb-2011
ICN:19 ISS:Ok CON:4.6 RCP:100%
1 Rain season: Jan 1st to Dec 31st.    2 Snow season October 1st to September 30th.    3 Snow manually measured usually around 7AM and 7PM.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.) 6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.
 NWS Weather Forecast  -   Outlook Tonight & Sunday
Tonight

Slight Chc T-Storms. Chance for Measurable Precipitation 10%
Slight Chc
T-Storms
Lo 64 °F
NWS forecast: A 10 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 64. West southwest wind 5 to 8 mph.
WXSIM forecast: Fair to partly cloudy. A slight chance of rain. High 94°. UV index up to 11. Wind north-northwest around 2 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday

Chance T-Storms. Chance for Measurable Precipitation 40%
Chance
T-Storms
Hi 86 °F
NWS forecast: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 86. West southwest wind 5 to 10 mph becoming north northeast in the morning. Winds could gust as high as 16 mph.
WXSIM forecast: Partly cloudy. A slight chance of rain. Low 76°. Wind west around 4 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
 NWS Short Term Weather Forecast
Sunday

Chance T-Storms. Chance for Measurable Precipitation 40%
Chance
T-Storms
Hi 86 °F
Sunday
Night

Chance T-Storms. Chance for Measurable Precipitation 40%
Chance
T-Storms
Lo 59 °F
Monday

Chance Showers. Chance for Measurable Precipitation 50%
Chance
Showers
Hi 72 °F
Monday
Night

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Lo 56 °F
Tuesday

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Hi 76 °F
Tuesday
Night

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Lo 56 °F
Wednesday

Slight Chc T-Storms
Slight Chc
T-Storms
Hi 79 °F
Wednesday
Night

Slight Chc T-Storms
Slight Chc
T-Storms
Lo 57 °F
Version 5.03 09-Apr-2010 - Script Mods by: WebsterWeatherLIVE.com
Some Colorado Weather Facts:
Snow usually falls someplace in the state each month except possibly August.

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